Sugar free blackberry galette

Ingredients:
Batter:
	Carbs
60 g white flour	46.00
30 g cornflour	21.00
1 tsp sweetener	0.00
1/4 tsp salt	0.00
60 g unsalted cold butter	0.00
3 tbsp cold water	0.00
	67.00
Topping:
	Carbs
150 g blackberries	22.00
2 tsp sweetener	0.00
100 g crème fraiche	4.00
1 normal size egg	0.00
	26.00
Total   carbs (g):	93.00
Total weight of cake (g):	376 g
Carbs/100 g cake (g):	25.00

 Preparation:
 
Batter:

1. Stir the dry ingredients; add butter and cold water until it forms a ball. (You can use electric mixer).
2. Cover with foil and put it in the fridge for 30 minutes.
3. Preheat oven to 180 Celsius.
4. Roll out batter until it forms a circle. Slightly roll up the edge.
5. Put parchment paper on a baking tin.
6. Put the batter on the tin.
7. Stir crème fraiche, sweetener and egg until it forms a smooth mixture.
8. Spread mixture on top of the batter. Sprinkle with blackberries.
9. Bake it until topping is set, about  20 minutes (until edge is lightly brown).

Ingredients:

The above ingredients were purchased in Hungary.  The carb content is calculated on the basis of the items bought in Hungary. I used low calorie sweetener called SÜSSINA in powder form. Calculation is based on the chart issued by the National Institute of Food and Nutrition Science of Hungary.